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Grok 4 vs Mistral Medium 3
A detailed comparison of Grok 4 (xAI) and Mistral Medium 3 (Mistral) across pricing, performance, and features.
Pricing Comparison
| Metric | Grok 4 | Mistral Medium 3 | Difference |
|---|---|---|---|
| Input / 1M tokens | $3.00 | $0.40 | -87% |
| Output / 1M tokens | $15.00 | $2.00 | -87% |
| Context window | 128K | 128K | — |
| Max output | 16.384K | 16.384K | — |
Benchmark Comparison
| Benchmark | Grok 4 | Mistral Medium 3 |
|---|---|---|
| MMLU-Pro | 86% | 76% |
| HumanEval | 93% | 87% |
| GPQA | 72% | — |
Capabilities
| Capability | Grok 4 | Mistral Medium 3 |
|---|---|---|
| code | ✓ | ✓ |
| reasoning | ✓ | ✗ |
| text | ✓ | ✓ |
| tool-use | ✓ | ✓ |
| vision | ✓ | ✓ |
| web-search | ✓ | ✗ |
Grok 4 Strengths
- ✓Built-in web search and real-time data
- ✓Strong reasoning
- ✓$25 free credits for new users
Grok 4 Weaknesses
- ✗Premium pricing for its benchmark tier
- ✗Additional charges for tool invocations ($2.50-$5/1K calls)
- ✗Smaller ecosystem than OpenAI/Anthropic
Mistral Medium 3 Strengths
- ✓Very affordable for mid-tier quality
- ✓Good multilingual performance
Mistral Medium 3 Weaknesses
- ✗Lags behind on reasoning benchmarks
- ✗Smaller community and tooling
Quick Verdict
Best value: Mistral Medium 3 is the more affordable option at $0.4/$2 per 1M tokens.
Higher benchmarks: Grok 4 scores higher on average across available benchmarks (83.7% avg).
Choose Mistral Medium 3 if cost matters most. Choose Grok 4 if you need the best possible quality for complex tasks.